Modules

AI::Categorizer
CPAN module that provides a framework for automatic text categorization.
http://search.cpan.org/dist/AI-Categorizer/

Apache::ASP
A Perl module that provides an Active Server Pages (ASP) port to the Apache Webserver. It allows developers to create dynamic web applications with session management and embed Perl code directly in static HTML files.
http://www.apache-asp.org/

Apache::Cookie
Interface to the cookie routines in libapreq. Based on CGI::Cookie.
http://httpd.apache.org/apreq/Apache-Cookie.html

Apache::Htaccess
Allows creation and modification of Apache .htaccess files.
http://sourceforge.net/projects/apache-htaccess/

Apache/Perl Module List
A list of Perl modules used for interacting with the Apache Webserver.
http://perl.apache.org/products/apache-modules.html

App::Modular and other Perl Modules
Modules for developing modular applications, template parser, configuration file handling, and daemons.
http://technik.juz-kirchheim.de/projects/Perl-Modules.html

Authen::PAM
A Perl module which provides an interface to the PAM library.
http://nik.pelov.name/Authen-PAM/

Backend News Project
A group of Perl modules that can be used to extract backend news files from different web sites and display the news in a personal website that has the ability to run Perl CGI scripts. Project is still in beta phase.
http://backendnews.sourceforge.net/

The Bioperl Project
A collection of Perl modules for developers of bioinformatics software.
http://www.bioperl.org/

Browse and Search CPAN - Randy Kobes
Documentation on CPAN modules along with links to file name, module name, and category resources.
http://cpan.uwinnipeg.ca/htdocs/faqs/cpan-search.html

Cache::Cache
Designed to assist a developer in persisting data for a specified period of time.
http://perl-cache.sourceforge.net/

CDDB / CDDB_Get
Retrieves the CDDB information for an audio CD.
http://armin.emx.at/cddb/

CFITSIO
Offers an interface to William Pence's CFITSIO subroutine library.
http://hea-www.harvard.edu/~rpete/cfitsio/

CGI::Cache
Perl extension to help cache output of time-intensive CGI scripts so that subsequent visits to such scripts will not cost as much time.
http://cgicache.sourceforge.net/

cgi-lib.pl
Very popular Perl 4/5 module for simple CGI tasks, such as reading form input.
http://cgi-lib.berkeley.edu/

CGI.pm
A popular module for CGI programming; read forms, use cookies, and generate HTML. Included in the standard distribution of Perl 5.
http://search.cpan.org/dist/CGI.pm/

Class::Date
Provides a date datatype for Perl. With mailing list.
http://hacks.dlux.hu/Class-Date/

Config::
Facilitates cached and pre-parsed file reading.
http://www.fatalmind.com/software/CONFIG/

Config::General
Generic Perl module for reading and writing complex configuration files. Listed on CPAN.
http://www.daemon.de/ConfigGeneral

CORBA::ORBit
Perl binding for ORBit.
http://people.redhat.com/otaylor/corba/orbit.html

CPAN++
Provides command-line access to the CPAN interface.
http://cpanplus.dwim.org

CPAN Code Search by Gonzui
Searches within the source code of all the modules available on CPAN.
http://cpansearch.bulknews.net/

CPAN Leaderboard
A list of CPAN authors, sorted in descending order by number of distributions contributed. Source code available.
http://thegestalt.org/simon/perl/wholecpan.html

CPAN: Perl Core Modules: Module
A guide to creating new Perl modules and locating existing ones.
http://cpan.uwinnipeg.ca/chapter/Perl_Core_Modules/Module

Crypt::SMIME
CPAN module for S/MIME message signing, verification, encryption and decryption.
http://search.cpan.org/dist/Crypt-SMIME/

Devel::Profiler
Profiler compatible with dprofpp.
http://sourceforge.net/projects/devel-profiler/

dTemplate
General-purpose, lightweight, templating system.
http://hacks.dlux.hu/dTemplate/

Embperl
A server-side tool and framework for building websites with embedding Perl code in HTML pages. [Open source, GPL or Artistic License]
http://perl.apache.org/embperl/

Finance::Quote
Can be used to obtain information from a variety of sources, including markets in Australia, USA, Canada, Europe, and a number of managed funds.
http://finance-quote.sourceforge.net/

Finance::QuoteHist
Several modules designed to fetch historical stock quotes from the web. Includes interfaces for Yahoo, WallStreetCity, and SiliconInvestor.
http://www.mojotoad.com/sisk/projects/Finance-QuoteHist/

Finance::StockTrade
Library of modules (and example scripts) for performing various on-line stock trading tasks such as buying, selling, and monitoring.
http://jeremy.zawodny.com/perl/Finance-StockTrade/

fmscore and Mail::Freshmeat
A Perl program and module which it use supplied by the user of freshmeat.net newsletter to rank the entries in a newsletter by interest. It also has the nice side effect of removing the advertising from the top of the newsletter.
http://adamspiers.org/computing/fmscore/

Gantry
CPAN module that provides an object-oriented web framework for Perl. Includes an introduction, documentation, tutorials and download.
http://www.usegantry.org/

Geo::METAR
Designed for accessing aviation weather information.
http://jeremy.zawodny.com/perl/Geo-METAR/

Glade-Perl
Perl generator for Glade.
http://www.glade-perl.connectfree.co.uk/

Google::Adwords
CPAN module which abstracts the Google Adwords SOAP API, and provides an easy to use Object Oriented API. Includes documentation and source.
http://search.cpan.org/~rohan/Google-Adwords-v1.10.0/

GPS
Provides access to several GPS protocols, such as Garmin, NMEA, and Magellan.
http://sourceforge.net/projects/perl-gps/

IMAP::Admin
Perl module for basic IMAP server administration, including create, delete, subscribe and quota methods
http://search.cpan.org/dist/IMAP-Admin/

IMDB.pm
Allows the retrieval of information about DVDs and media from the Internet Movie Database.
http://www.infocopter.com/perl_corner/retos-imdb.htm

Installing Perl Modules
A guide to installing Perl modules on Unix and Windows platforms.
http://www.rcbowen.com/imho/perl/modules.html

Java
Module allows talk to a JVM on a local or remote machine.
http://search.cpan.org/~metzzo/Java-4.7/Java.pm

LEGO::RCX
Allows one to communicate with the Lego MindStorms(R) RCX brick from a workstation through the IR tower.
http://search.cpan.org/~jquillan/LEGO-RCX-1.01/RCX.pm

libwww-perl
CPAN modules to provide a simple and consistent programming interface to the WWW.
http://search.cpan.org/~gaas/libwww-perl/

Lingua::Romana::Perligata
Damian Conway's paper on the module that makes it possible to write Perl programs in Latin.
http://www.csse.monash.edu.au/~damian/papers/HTML/Perligata.html

MARC
A Perl module for reading, manipulating, outputting and converting bibliographic records in the Machine Readable Cataloging (MARC) format.
http://marcpm.sourceforge.net/

Module::Reloadable
Used to reload specific modules in a permanent-running environment.
http://hacks.dlux.hu/Module-Reloadable/

MP3::Album
Perl extension to manage a music album built of mp3 files.
http://search.cpan.org/~bmavt/MP3-Album-0.14/Album.pod

NetCDFPerl
A Perl extension module for scientific data access via version 2 of the netCDF API.
http://www.unidata.ucar.edu/software/netcdf-perl/

Net::DNS
Collection of modules that act as a Domain Name System resolver. They allows the programmer to perform DNS queries that are beyond the capabilities of gethostbyname and gethostbyaddr.
http://www.net-dns.org/

Net::ICQ2000
Module for handling the ICQ2000 protocol.
http://sourceforge.net/projects/neticq2k/

Net::Whois::RIPE
Object-orientated module that provides methods to query, retrieve and update RIPE-157 formated objects, from whois servers that support this format.
http://sourceforge.net/projects/net-whois-ripe/

Net::Z3950
This module provides a Perl interface to the Z39.50 information retrieval protocol.
http://www.miketaylor.org.uk/tech/nz/

Net::Z3950::SimpleServer
Implements the server side of the Z39.50 (information retrieval) protocol.
http://www.indexdata.dk/simpleserver/

Parallel::ForkManager
Object-orientated parallel processing fork manager.
http://hacks.dlux.hu/Parallel-ForkManager/

Perl Beans
Implementation of the Java Beans framework in Perl.
http://sourceforge.net/projects/perlbeans/

The Perl DateTime Project
A set of modules for dealing with today's complex time zone system, date conversion and calculating the date upon which Easter falls in a given year.
http://datetime.perl.org/

PerLDAP
A Perl module that allows programmers to access and manipulate LDAP directories.
http://www.perldap.org/

Perldoc.com: Core Modules
Documentation for modules that form part of the standard distribution of perl.
http://perldoc.perl.org/index-modules-A.html

Persistent
A framework of classes that provides persistence for Perl objects.
http://www.bigsnow.org/persistent/

p5-IPA
Library of image processing algorithms. Based on the Prima toolkit.
http://www.prima.eu.org/IPA/

PITA - The Perl Image Testing Architecture
CPAN module that attempts to comprehensively solve the problem of mass testing Perl packages against a wide variety of different environments.
http://search.cpan.org/dist/PITA/

RDFStore
API for RDF storage and maintenance.
http://rdfstore.sourceforge.net/

RPL
Enables parsing and executing RPL programs, providing stack and variables management routines, as well as a library of built-in primitives for flow control, list manipulation and basic calculus.
http://membres.lycos.fr/varkhancd/dev/RPL/

Skybound Software.
The home of SMS::Ringtone::RTTTL::Parser (a RTTTL string parser and validator) and SMS::Ringtone::RTTTL::MIDI (a RTTTL to MIDI format converter). A free web service is also available to test these modules.
http://www.skybound.nl/products/perl/

Spreadsheet::WriteExcel
Information and examples for creating Excel Spreadsheet files with Perl.
http://homepage.eircom.net/~jmcnamara/perl/WriteExcel.html

TableMap
Maps relational tables into hashes.
http://hacks.dlux.hu/TableMap/

Test::Cmd
Provides a low-level framework for portable automated testing of executable commands and scripts.
http://www.baldmt.com/Test-Cmd/

VACM::Perl
Wrappers for the VACM programmer's API.
http://vacm-perl.sourceforge.net/

Weather::Com
A Perl module that provides low level OO interface to gather all weather information that is provided by weather.com.
http://search.cpan.org/dist/Weather-Com/

WebCache::Digest
CPAN module that implements version 5 of the Cache Digest specification. See WebCache::ICP for client and server side support for the Internet Cache Protocol.
http://search.cpan.org/dist/WebCache-Digest/

WebCache::ICP
CPAN module that implements the client and server side support for version 5 of the Internet Cache Protocol. See WebCache::Digest for the Cache Digest implementation.
http://search.cpan.org/dist/WebCache-ICP/

The WebFetch Project
A set of Perl5 modules that provide a framework for retrieving information from local files and/or the web.
http://www.webfetch.org/

WebService::weblogUpdates
Implements methods supported by UserLand weblogUpdates framework.
http://search.cpan.org/~ascope/WebService-weblogUpdates-0.35/lib/WebService/weblogUpdates.pm

WebTools
Package to aid Web developers. Supports embedding Perl in HTML files, flat file databases, session tracking and cookies, and MySQL/MS Access.
http://www.proscriptum.com/

Win32::MSAgent
Allows to use the Microsoft Agent 2.0 OLE control in perl scripts.
http://search.cpan.org/~jouke/Win32-MSAgent-0.07/lib/Win32/MSAgent.pm

WordNet Perl Module
An object oriented interface to WordNet 1.6 database.
http://people.csail.mit.edu/jrennie/WordNet/

Writing Perl Modules for CPAN
Publisher's site for the book by Sam Tregar. The entire first chapter, 'CPAN', is available for free in PDF format.
http://www.apress.com/book/view/159059018X

WWW::Search
A collection of Perl modules which provide an API to WWW search engines like AltaVista, Lycos, Hotbot, and WebCrawler.
http://www.isi.edu/lsam/tools/WWW_SEARCH/

WWW::SMS
Framework for sending free SMSs over the web.
http://www-sms.sourceforge.net/

wxPerl
Perl bindings to the wxWindows cross-platform toolkit.
http://wxperl.sourceforge.net/

X11::Fvwm
A Perl module for interfacing with the FVWM2 X11 window manager API.
http://www.byz.org/~randy/perl/X11::Fvwm/

Recent Perl Modules
Latest module uploads from the CPAN search site. [RSS]
http://search.cpan.org/rss/search.rss